Mathematics, 20.01.2021 19:30 rscott400
VEL A personal trainer wants to look at the relationship between number of hours of exercise per week and resting heart rate of her clients. The data show a linear pattern with the summary statistics shown below: mean standard deviation 2 hours of exercise per week ร= 8.9 8 = 4.8 y = resting heart rate (beats per minute) V = 74.3 $y = 7.2 r=-0.88 Find the equation of the least-squares regression line for predicting resting heart rate from the hours of exercise per week. Round your entries to the nearest hundredth. lum +
Answers: 1
Mathematics, 21.06.2019 16:00
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
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Mathematics, 21.06.2019 17:00
When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180ยฐ?
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Mathematics, 21.06.2019 17:00
At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%
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Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
VEL A personal trainer wants to look at the relationship between number of hours of exercise per wee...
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